pandorafms/pandora_console/operation/agentes/networkmap.groups.php

158 lines
5.5 KiB
PHP

<?php
// Pandora FMS - http://pandorafms.com
// ==================================================
// Copyright (c) 2005-2010 Artica Soluciones Tecnologicas
// Please see http://pandorafms.org for full contribution list
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation for version 2.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Load global vars
global $config;
check_login ();
// Networkmap id required
if (!isset($id_networkmap)) {
db_pandora_audit("ACL Violation",
"Trying to access node graph builder");
require ("general/noaccess.php");
exit;
}
// Get the group for ACL
if (!isset($store_group)) {
$store_group = db_get_value("store_group", "tnetwork_map", "id_networkmap", $id_networkmap);
if ($store_group === false) {
db_pandora_audit("ACL Violation",
"Trying to accessnode graph builder");
require ("general/noaccess.php");
exit;
}
}
// ACL for the networkmap permission
if (!isset($networkmap_read))
$networkmap_read = check_acl ($config['id_user'], $store_group, "MR");
if (!isset($networkmap_write))
$networkmap_write = check_acl ($config['id_user'], $store_group, "MW");
if (!isset($networkmap_manage))
$networkmap_manage = check_acl ($config['id_user'], $store_group, "MM");
if (!$networkmap_read && !$networkmap_write && !$networkmap_manage) {
db_pandora_audit("ACL Violation",
"Trying to access node graph builder");
include ("general/noaccess.php");
exit;
}
require_once ('include/functions_networkmap.php');
$strict_user = db_get_value('strict_acl', 'tusuario', 'id_user', $config['id_user']);
// Set filter
$filter = networkmap_get_filter ($layout);
// Generate dot file
$graph = networkmap_generate_dot_groups (__('Pandora FMS'), $group,
$simple, $font_size, $layout, $nooverlap, $zoom, $ranksep, $center,
$regen, $pure, $modwithalerts, $module_group, $hidepolicymodules,
$depth, $id_networkmap, $dont_show_subgroups, $text_filter, $strict_user);
if ($graph === false) {
ui_print_error_message (__('Map could not be generated'));
echo '<div class="nf">' . __('No agents found') . '</div>';
return;
}
// Generate image and map
// If image was generated just a few minutes ago, then don't regenerate
// (it takes long) unless regen checkbox is set
$filename_map = io_safe_output($config["attachment_store"]) . "/networkmap_" . $filter;
$filename_img = io_safe_output($config["attachment_store"]) . "/networkmap_" . $filter . "_" . $font_size;
$filename_dot = io_safe_output($config["attachment_store"]) . "/networkmap_" . $filter;
if ($simple) {
$filename_map .= "_simple";
$filename_img .= "_simple";
$filename_dot .= "_simple";
}
if ($nooverlap) {
$filename_map .= "_nooverlap";
$filename_img .= "_nooverlap";
$filename_dot .= "_nooverlap";
}
$filename_map .= "_" . $id_networkmap . ".map";
$filename_img .= "_" . $id_networkmap . ".png";
$filename_dot .= "_" . $id_networkmap . ".dot";
if ($regen != 1 && file_exists ($filename_img) &&
filemtime ($filename_img) > get_system_time () - SECONDS_5MINUTES) {
$result = true;
}
else {
$fh = @fopen ($filename_dot, 'w');
if ($fh === false) {
$result = false;
}
else {
fwrite ($fh, $graph);
$graphviz_path = (!empty($config['graphviz_bin_dir'])) ?
io_safe_output($config['graphviz_bin_dir'] . "/")
:
"";
$is_windows = strtoupper(substr(PHP_OS, 0, 3)) == 'WIN';
if ($is_windows) {
$graphviz_path = str_replace("/", "\\", $graphviz_path );
$filter = $filter . '.exe';
}
$cmd = escapeshellarg($graphviz_path.$filter) . " -Tcmapx " .
escapeshellarg("-o$filename_map") . " -Tpng ".
escapeshellarg("-o$filename_img") . " " .
escapeshellarg($filename_dot);
$result = system ($cmd);
fclose ($fh);
unlink ($filename_dot);
}
}
if ($result !== false) {
if (! file_exists ($filename_map)) {
ui_print_error_message (__('Map could not be generated'));
echo $result;
echo "<div class='warn'>Apparently something went wrong reading the output.</div>";
echo "<br />Is ".$config["attachment_store"]." readable by the webserver process?";
echo "<br /><br /> Is ".$filter." (usually part of GraphViz) and echo installed and able to be executed by the webserver process?";
return;
}
echo "<div style='text-align:center'>";
if ($is_windows)
$image_url = str_replace('\\',"/",str_replace($config['homedir'], "", $filename_img));
else
$image_url = str_replace(realpath(io_safe_output($config['homedir'])), "", realpath($filename_img));
html_print_image ($image_url, false, array ("alt" => __('Network map'), "usemap" => "#networkmap"));
echo "</div>";
require ($filename_map);
}
else {
ui_print_error_message (__('Map could not be generated'));
echo $result;
echo "<div class='warn'>Apparently something went wrong executing the command or writing the output.</div>";
echo "<br />Is ".$filter." (usually part of GraphViz) and echo installed and able to be executed by the webserver process?";
echo "<br /><br /> Is your webserver restricted from executing command line tools through the <code>system()</code> call (PHP Safe Mode or SELinux)";
echo "<br /><br /> Is ".$config["attachment_store"]." writeable by the webserver process? To change this do the following (POSIX-based systems): chown &lt;apache user&gt; ".$config["attachment_store"];
return;
}
?>